Daikin RKV50NRV16 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
5.0/6.0 kW Class
Outdoor Unit
Inverter
Pair Type
Si001355E

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
RKV50NRV16
RKV60NRV16

Si001355E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................3
3. Electrical Box / PCB ................................................................................5
4. Thermistor ASSY ..................................................................................10
5. Sound Blankets .....................................................................................11
6. Electronic Expansion Valve ASSY ........................................................12
7. Compressor...........................................................................................14
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001355E
2Removal Procedure
1. Outer Panels
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Remove the 4 screws
and remove the top
panel.
2 Remove the 9 screws
of the front panel.
3 Unfasten the right side
hooks and remove the
front panel.
The discharge grille has 2
projections to prevent its
rotation. Press the projection
from the rear side and rotate
the discharge grille to
remove it.
4 Remove the screw and
remove the discharge
grille.
(R19515)
Top panel
Front panel
Projection (rear side)
Discharge grille
(R19429)
rear side
(R19405)

Si001355E Outdoor Fan / Fan Motor
Removal Procedure 3
2. Outdoor Fan / Fan Motor
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Disconnect the
connector [S70].
[S70]: fan motor
2 Release the fan
motor lead wire from
the groove of the
partition plate and
the 4 hooks on the
electrical box.
3 Remove the nut and
remove the outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
(R19430)
[S70]
Hook
(R19360)
Outdoor fan
(R19431)
10 mm
(0.39 inch)
(R18954)

Outdoor Fan / Fan Motor Si001355E
4Removal Procedure
4 Remove the screw of
the fan motor fixing
frame.
Be careful so as not to
damage the top part of the
outdoor heat exchanger fins.
When reassembling, put the
fan motor lead wire through
the back of the fan motor so
as not to be entangled with
the outdoor fan.
When reassembling, fit the
lower hooks into the bottom
frame.
5
6
7
Unfasten the 2 hooks
at the bottom and
remove the fan motor
fixing frame.
Open the 2 hooks
and release the fan
motor lead wire.
Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
(R19432)
Fan motor fixing frame
(R18433)
Hook
(R19433)
Fan motor
(R19361)
(R3249)
Lead wire Outdoor fan

Si001355E Electrical Box / PCB
Removal Procedure 5
3. Electrical Box / PCB
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1. Remove the electrical
box.
[S70]: fan motor
1 Disconnect the
connector [S70].
2 Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
3 Disconnect the
connector [S40].
[S40]: overload protector
[S70]
(R19434)
[S20]
(R19435)
[S40]
(R19436)

Electrical Box / PCB Si001355E
6Removal Procedure
4 Cut the clamp and
disconnect the
connector [S90].
5 Disconnect the relay
connector for the
compressor.
[S90]: thermistors
6 Remove the screw and
remove the stop valve
cover.
Step Procedure Points
(R19363)(R19437)
Clamp
[S90]
(R19438)
(R19440)
Stop valve
cover

Si001355E Electrical Box / PCB
Removal Procedure 7
7 Remove the 3 screws
and remove the wire
fixture.
8 Remove the 7 screws
and disconnect the
connecting wire and the
power supply wire.
9 Remove the 2 screws
on the right side panel.
Step Procedure Points
(R18441)
Wire fixture
(R18442)
Connecting wire Power supply wire
(R19364)
Right side panel

Electrical Box / PCB Si001355E
8Removal Procedure
10 Remove the screw on
the partition plate.
11 Lift and remove the
electrical box.
2. Remove the PCB.
1 Remove the screw and
remove the electrical
box cover.
Step Procedure Points
Partition plate
(R19441)
Electrical box
(R19442)
(R19443)
Electrical
box cover